Nanjing Lesun Screw Co., Ltd.
No.9 Zhiyong Road, Jiangning Konggang Development Zone, 211100, Nanjing City, P.R.China.
+86-13605142173 info@lesunscrew.com
Nanjing Lesun Screw Co., Ltd.
Nanjing Lesun Screw Co., Ltd.
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CKE Mixing Screw Element for Twin Screw Extruders

Energy-efficient mixing with conveying capability and low shear


  • Combined conveying and mixing

  • Low shear and low heat generation

  • Reduced torque consumption

  • Gentle material processing

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Overview

CKE mixing screw elements combine the advantages of conveying screw elements and kneading screw elements, providing both material transport and mild mixing.


They generate low shear and low heat, making them ideal for processes where material degradation or energy consumption must be minimized.


Compared to kneading blocks, CKE elements significantly reduce torque load while maintaining mixing performance.

Key Features

Combined Conveying & Mixing

Maintains forward transport with simultaneous mixing.

Low Shear Design

Protects sensitive materials.

Reduced Energy Consumption

Lowers torque and power demand.

Stable Processing Behavior

Ensures consistent extrusion conditions.

Design & Technical Insights

Hybrid geometry balances flow + mixing
Generates gentle material exchange instead of shear
Reduces mechanical energy input
Engineering principle

Low-energy mixing through controlled material exchange

Technical Details


DiameterØ18–Ø400
Do/Di Ratio1.55~1.8
Length0.5~2.5D
PitchCustomized
MaterialN00/D2/D11/W6/H9/H10/H26/Hastelloy/Stainless
Surface HardnessHRC 58–64

Max. Operating Temp≤450°C
Wear ResistanceStandard/High/Ultra-high
Corrosion ResistanceStandard/High/Ultra-high
Application

Masterbatch/Compounding/Recycling

/Film/Feed/Food/Pharmacy

Suitable forTwin Screw Extruder



Applications

Heat-sensitive materials
Fiber-reinforced polymers
Energy-efficient compounding
Pre-mixing zones

Customization Options

Mixing intensity tuning
Torque optimization
Process-specific design

Q&A

Q1: Why use CKE instead of kneading elements?

A: To reduce shear, temperature rise and energy consumption.

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